# Device Hacking **URL:** https://forum.arduino.cc/c/other-hardware/device-hacking/33.md [Latest](https://forum.arduino.cc/latest.md) · [Categories](https://forum.arduino.cc/categories.md) --- ## [About the Device Hacking category](https://forum.arduino.cc/t/about-the-device-hacking-category/847473)
**Author:** [@system](https://forum.arduino.cc/u/system)\ **Replies:** 0\ **Last updated:** [April 12, 2021, 12:19pm UTC](https://forum.arduino.cc/t/about-the-device-hacking-category/847473 "2021-04-12T12:19:28Z")
Looking into existing technologies, reappropriation of devices, tricks of the trade --- ## [How to get the best out of this forum](https://forum.arduino.cc/t/how-to-get-the-best-out-of-this-forum/681326)
**Author:** [@PerryBebbington](https://forum.arduino.cc/u/PerryBebbington)\ **Replies:** 0\ **Last updated:** [November 4, 2020, 9:10am UTC](https://forum.arduino.cc/t/how-to-get-the-best-out-of-this-forum/681326 "2020-11-04T09:10:11Z")
Welcome to the Arduino forum! A guide explaining how to get the best out of this forum is available at the link below. Please read it: --- ## [Reproducing an Electret Mic Signal for a Hand Held Radio](https://forum.arduino.cc/t/reproducing-an-electret-mic-signal-for-a-hand-held-radio/1465593)
**Author:** [@jools1976](https://forum.arduino.cc/u/jools1976)\ **Replies:** 7\ **Last updated:** [October 31, 2026, 9:23am UTC](https://forum.arduino.cc/t/reproducing-an-electret-mic-signal-for-a-hand-held-radio/1465593 "2026-10-31T09:23:27Z")
Hello. I have a generic hand-held walkie talkie that Id like to send digital files over using an Arduino (or ESP32, doesn't really matter which). I've removed the physical PTT momentary button and replaced it with a rela… --- ## [Bike interface OBD](https://forum.arduino.cc/t/bike-interface-obd/229761)
**Author:** [@o5i](https://forum.arduino.cc/u/o5i)\ **Replies:** 398\ **Last updated:** [October 29, 2026, 8:32am UTC](https://forum.arduino.cc/t/bike-interface-obd/229761 "2026-10-29T08:32:50Z")
Hi I hava a suzuki gsx-r 1000 and want to log the serial data that the bike transmits over the k-line diagnostics interface called SDS:.. First step ist to attach a pc and log the comunication between pc and ecu. I wan… --- ## [Treadmill control with arduino or esp](https://forum.arduino.cc/t/treadmill-control-with-arduino-or-esp/1464402)
**Author:** [@gibene](https://forum.arduino.cc/u/gibene)\ **Replies:** 5\ **Last updated:** [October 22, 2026, 2:46pm UTC](https://forum.arduino.cc/t/treadmill-control-with-arduino-or-esp/1464402 "2026-10-22T14:46:06Z")
Hello, My parents have a Fytter Runner-4RX treadmill that stopped working after a power outage. I have tried diagnosing the issue. The treadmill features two main boards: A MC6-V2.2 board (power board, which control… --- ## [Sanity check before connecting RS485/WiFi gateway to Jacuzzi/Balboa BP200UX](https://forum.arduino.cc/t/sanity-check-before-connecting-rs485-wifi-gateway-to-jacuzzi-balboa-bp200ux/1463542)
**Author:** [@themodsmith](https://forum.arduino.cc/u/themodsmith)\ **Replies:** 8\ **Last updated:** [October 15, 2026, 8:44pm UTC](https://forum.arduino.cc/t/sanity-check-before-connecting-rs485-wifi-gateway-to-jacuzzi-balboa-bp200ux/1463542 "2026-10-15T20:44:14Z")
Hi all, I’m working on a project called to locally monitor, and eventually control, my Jacuzzi hot tub without relying on the SmartTub cloud service. The controller is a Balboa BP200UX. J34/J35 are used for the topside… --- ## [CAN Bus injection issue (MCP2515+Arduino)](https://forum.arduino.cc/t/can-bus-injection-issue-mcp2515-arduino/1460080)
**Author:** [@povvcl](https://forum.arduino.cc/u/povvcl)\ **Replies:** 6\ **Last updated:** [September 21, 2026, 7:04am UTC](https://forum.arduino.cc/t/can-bus-injection-issue-mcp2515-arduino/1460080 "2026-09-21T07:04:02Z")
Hey all, I think my research into this problem has finally hit a wall. Hoping you guys can steer me in the right direction. I have a setup with Arduino Leonardo -\> MCP2515 to sniff/inject CAN bus frames to my car. I'm u… --- ## [Can't enter DFU mode on Arduino Uno (ATMEGA16u2)](https://forum.arduino.cc/t/cant-enter-dfu-mode-on-arduino-uno-atmega16u2/1458951)
**Author:** [@harry7788](https://forum.arduino.cc/u/harry7788)\ **Replies:** 18\ **Last updated:** [September 10, 2026, 10:49am UTC](https://forum.arduino.cc/t/cant-enter-dfu-mode-on-arduino-uno-atmega16u2/1458951 "2026-09-10T10:49:26Z")
Hi everyone, I followed the tutorial link below to enter DFU mode and update the ATMEGA16u2 firmware. I want to follow the tutorial below to enter DFU mode and update the ATMEGA16u2 firmware. When I connect the two pin… --- ## [Lego WeDo : Interface motor and sensors to Arduino Uno R3](https://forum.arduino.cc/t/lego-wedo-interface-motor-and-sensors-to-arduino-uno-r3/1455072)
**Author:** [@Dave\_Lowther](https://forum.arduino.cc/u/Dave_Lowther)\ **Replies:** 29\ **Last updated:** [September 5, 2026, 5:23am UTC](https://forum.arduino.cc/t/lego-wedo-interface-motor-and-sensors-to-arduino-uno-r3/1455072 "2026-09-05T05:23:34Z")
I have a Lego set part number 9580. It's old. I bought it about 15 years ago. I got it out of the loft today for a grandchild to play with. It works on Windows 11 with the official Lego software. I'm interested in contro… --- ## [Need I phone 16 remove access hack](https://forum.arduino.cc/t/need-i-phone-16-remove-access-hack/1456617)
**Author:** [@trav32](https://forum.arduino.cc/u/trav32)\ **Replies:** 6\ **Last updated:** [August 20, 2026, 9:28pm UTC](https://forum.arduino.cc/t/need-i-phone-16-remove-access-hack/1456617 "2026-08-20T21:28:29Z")
Hi all I need someone to assist me with this please ASAP. Thanks --- ## [EV charging hack](https://forum.arduino.cc/t/ev-charging-hack/1456193)
**Author:** [@hammy](https://forum.arduino.cc/u/hammy)\ **Replies:** 7\ **Last updated:** [August 18, 2026, 11:38am UTC](https://forum.arduino.cc/t/ev-charging-hack/1456193 "2026-08-18T11:38:21Z")
I have a Hypervolt EV controller that can be accessed from the phone app or on a browser . I think the EV charger talks to the cloud where it stores its data . I have it hardwired to by Ethernet lan . Is there anyway I… --- ## [Kawasaki KDS3 CAN protocol – looking for request/response IDs and frame format](https://forum.arduino.cc/t/kawasaki-kds3-can-protocol-looking-for-request-response-ids-and-frame-format/1455097)
**Author:** [@maxkazoo](https://forum.arduino.cc/u/maxkazoo)\ **Replies:** 9\ **Last updated:** [August 16, 2026, 12:03am UTC](https://forum.arduino.cc/t/kawasaki-kds3-can-protocol-looking-for-request-response-ids-and-frame-format/1455097 "2026-08-16T00:03:25Z")
Hi everyone, I am working on a diagnostic adapter for a 2011 Kawasaki Concours 14 / GTR1400, using an Arduino Nano and an MCP2515 CAN controller. My goal is to communicate with the FI ECU using the Kawasaki KDS3 diagno… --- ## [Breadboard-Plugin Resistor](https://forum.arduino.cc/t/breadboard-plugin-resistor/1454645)
**Author:** [@dougp](https://forum.arduino.cc/u/dougp)\ **Replies:** 5\ **Last updated:** [August 6, 2026, 7:46pm UTC](https://forum.arduino.cc/t/breadboard-plugin-resistor/1454645 "2026-08-06T19:46:02Z")
This showed up on my YT page - https://www.youtube.com/shorts/za7-TAfQwKw You can buy a finished product at DFRobot. However, I have TH resistors, a Dupont connector kit, and a crimp tool so... I used a three-posit… --- ## [Large oled display wont start](https://forum.arduino.cc/t/large-oled-display-wont-start/1446107)
**Author:** [@joshalunio](https://forum.arduino.cc/u/joshalunio)\ **Replies:** 9\ **Last updated:** [June 17, 2026, 5:21am UTC](https://forum.arduino.cc/t/large-oled-display-wont-start/1446107 "2026-06-17T05:21:44Z")
Hello, this is Josh Sparber. One of the modules I am building has a 1.91 inch New Haven oled. I have vetted the program as much as I can. After months of working on this it still does not work. I am using SPI 4 wire on t… --- ## [Need Help Connecting Tatsuno Sunny XE to Modbus RS-485](https://forum.arduino.cc/t/need-help-connecting-tatsuno-sunny-xe-to-modbus-rs-485/1402285)
**Author:** [@zagarof](https://forum.arduino.cc/u/zagarof)\ **Replies:** 12\ **Last updated:** [May 12, 2026, 5:51pm UTC](https://forum.arduino.cc/t/need-help-connecting-tatsuno-sunny-xe-to-modbus-rs-485/1402285 "2026-05-12T17:51:35Z")
Hello, I’m working with a Tatsuno Sunny XE fuel dispenser and I want to connect it using Modbus RS-485 so I can read and send data. Unfortunately: I don’t have any manuals or protocol documentation for this model. … --- ## [Is my nodemxu esp8266 fried?](https://forum.arduino.cc/t/is-my-nodemxu-esp8266-fried/1440014)
**Author:** [@faheem\_m10](https://forum.arduino.cc/u/faheem_m10)\ **Replies:** 5\ **Last updated:** [April 16, 2026, 8:48am UTC](https://forum.arduino.cc/t/is-my-nodemxu-esp8266-fried/1440014 "2026-04-16T08:48:44Z")
HI All, I recently bought a node mcu esp8266 and setup an async webserver and websocket init. I was powering it via a powerbank (5V) and yesterday I by mistake leaved it connected to powerbank for too long (3hours). I le… --- ## [How to emulate the GM3000 / HK3000 for GoodWe inverters](https://forum.arduino.cc/t/how-to-emulate-the-gm3000-hk3000-for-goodwe-inverters/1438665)
**Author:** [@kev00001](https://forum.arduino.cc/u/kev00001)\ **Replies:** 8\ **Last updated:** [April 6, 2026, 1:32pm UTC](https://forum.arduino.cc/t/how-to-emulate-the-gm3000-hk3000-for-goodwe-inverters/1438665 "2026-04-06T13:32:34Z")
I've been working on getting a controller to read data from an existing power meter (ET340) and use it to emulate the GoodWe HK3000 3 phase meter for inverter production control. After finally figuring it out I thought … --- ## ["hacking" the Mira Platinum wireless shower controller (433 MHz)](https://forum.arduino.cc/t/hacking-the-mira-platinum-wireless-shower-controller-433-mhz/1434425)
**Author:** [@cherowley](https://forum.arduino.cc/u/cherowley)\ **Replies:** 4\ **Last updated:** [March 26, 2026, 3:22pm UTC](https://forum.arduino.cc/t/hacking-the-mira-platinum-wireless-shower-controller-433-mhz/1434425 "2026-03-26T15:22:40Z")
Hi all! 7 years ago there was a post on here about this, well I am trying to do it now! I have some info I have got so far: 434.20mhz 2fsk with 20khz deviation 10kbit data rate No crc Infinite packet length 32bit… --- ## [Interfacing Arduino with Current Transformer – AC Current Measurement](https://forum.arduino.cc/t/interfacing-arduino-with-current-transformer-ac-current-measurement/1413235)
**Author:** [@Hasaniirc](https://forum.arduino.cc/u/Hasaniirc)\ **Replies:** 35\ **Last updated:** [December 6, 2025, 9:02pm UTC](https://forum.arduino.cc/t/interfacing-arduino-with-current-transformer-ac-current-measurement/1413235 "2025-12-06T21:02:45Z")
Hi there, I am trying to implement a CT with help of Arduino IDE and proteus, take a look the original work here, https://simple-circuit.com/interfacing-arduino-with-current-transformer-ac-current-sensor-rms/ I have t… --- ## [Rotary phone bell](https://forum.arduino.cc/t/rotary-phone-bell/1416124)
**Author:** [@Johan\_Ha](https://forum.arduino.cc/u/Johan_Ha)\ **Replies:** 15\ **Last updated:** [November 25, 2025, 10:57pm UTC](https://forum.arduino.cc/t/rotary-phone-bell/1416124 "2025-11-25T22:57:05Z")
There are quite a few examples of how to get an old phone ring. They usually require some 50 V alternating current at 15 - 20 Hz. I’m trying to create that from what I have: The old telephone An L298n motor driver An A… --- ## [Using IOT TEL0126 WiFi Module to Make Arduino Web Server](https://forum.arduino.cc/t/using-iot-tel0126-wifi-module-to-make-arduino-web-server/1412033)
**Author:** [@eerschr](https://forum.arduino.cc/u/eerschr)\ **Replies:** 15\ **Last updated:** [November 11, 2025, 10:11pm UTC](https://forum.arduino.cc/t/using-iot-tel0126-wifi-module-to-make-arduino-web-server/1412033 "2025-11-11T22:11:13Z")
If anyone has used this device and can help I would be very appreciative. Based on the instruction set and examples https://github.com/DFRobot/DFRobot\_WiFi\_IoT\_Module/blob/master/README.md for DFRobot's TEL0126 IOT Wifi … --- ## [Asking for some help for getting data from blood pressure monitor to esp32 or esp8266](https://forum.arduino.cc/t/asking-for-some-help-for-getting-data-from-blood-pressure-monitor-to-esp32-or-esp8266/1409940)
**Author:** [@stephenchow](https://forum.arduino.cc/u/stephenchow)\ **Replies:** 32\ **Last updated:** [November 2, 2025, 11:56pm UTC](https://forum.arduino.cc/t/asking-for-some-help-for-getting-data-from-blood-pressure-monitor-to-esp32-or-esp8266/1409940 "2025-11-02T23:56:30Z")
Hello, I am trying to get data from a digital blood pressure monitor. I am using this video as a reference How to Make Arduino Blood pressure monitor device | DIY Arduino Blood Pressure Monitor. Below is my blood pressur… --- ## [Hacked Arduino Casio Calculator data logger - new exploit for timed sensor readings](https://forum.arduino.cc/t/hacked-arduino-casio-calculator-data-logger-new-exploit-for-timed-sensor-readings/1411044)
**Author:** [@deviceiotnz](https://forum.arduino.cc/u/deviceiotnz)\ **Replies:** 1\ **Last updated:** [October 29, 2025, 4:06pm UTC](https://forum.arduino.cc/t/hacked-arduino-casio-calculator-data-logger-new-exploit-for-timed-sensor-readings/1411044 "2025-10-29T16:06:44Z")
New unknown and undocumented exploit for time stamped automated data logging using a Casio FX-9750 I did the original Picaxe casio calculator data logger for classroom use (2007-2010) that was the basis for the nsg/ardu… --- ## [Can I repurpose a MacBook Pro adapter for a personal circuit?](https://forum.arduino.cc/t/can-i-repurpose-a-macbook-pro-adapter-for-a-personal-circuit/1405100)
**Author:** [@nesdnuma](https://forum.arduino.cc/u/nesdnuma)\ **Replies:** 7\ **Last updated:** [September 3, 2025, 7:27pm UTC](https://forum.arduino.cc/t/can-i-repurpose-a-macbook-pro-adapter-for-a-personal-circuit/1405100 "2025-09-03T19:27:58Z")
Hello, I need an adapter providing DC with a voltage between 15 and 19V. I have an old adapter from a MacBook Pro which can provide either 18.5V or 16.5V. However the current connector (1st generation MagSafe) and four … --- ## [Elegoo R3 Bootloader reset](https://forum.arduino.cc/t/elegoo-r3-bootloader-reset/1403743)
**Author:** [@itsjustcurtis](https://forum.arduino.cc/u/itsjustcurtis)\ **Replies:** 0\ **Last updated:** [August 22, 2025, 6:55am UTC](https://forum.arduino.cc/t/elegoo-r3-bootloader-reset/1403743 "2025-08-22T06:55:37Z")
Hi All, I'm attempting to turn a spare Elegoo R3 I have into a rudimentary ARGB controller using the Hoodloader2 Bootloader, allowing me to use the 16u2 mcu as its own HID. After a successful attempt getting hoodloader2… --- ## [Programing Battery laptop software](https://forum.arduino.cc/t/programing-battery-laptop-software/1400939)
**Author:** [@pikolodai](https://forum.arduino.cc/u/pikolodai)\ **Replies:** 25\ **Last updated:** [August 7, 2025, 11:54pm UTC](https://forum.arduino.cc/t/programing-battery-laptop-software/1400939 "2025-08-07T23:54:45Z")
Does anyone have knowledge of how to use arduino uno and be able to program the battery to its original state? I am new to arduino and would like to know more. --- ## [Reading data sent TO a bi-directional Sony RM-DX450](https://forum.arduino.cc/t/reading-data-sent-to-a-bi-directional-sony-rm-dx450/1395118)
**Author:** [@swampeastmike](https://forum.arduino.cc/u/swampeastmike)\ **Replies:** 1\ **Last updated:** [July 11, 2025, 9:28pm UTC](https://forum.arduino.cc/t/reading-data-sent-to-a-bi-directional-sony-rm-dx450/1395118 "2025-07-11T21:28:35Z")
Any info on interpreting the IR data stream TO a Sony RM-DX450? This is a bi-directional remote control with lcd text display for use with the CX-450 400-disk CD changer. I already use a remote emulator to control the… --- ## [Samsung JetBot robo vacuum](https://forum.arduino.cc/t/samsung-jetbot-robo-vacuum/1394585)
**Author:** [@toomutch](https://forum.arduino.cc/u/toomutch)\ **Replies:** 8\ **Last updated:** [July 10, 2025, 10:04am UTC](https://forum.arduino.cc/t/samsung-jetbot-robo-vacuum/1394585 "2025-07-10T10:04:24Z")
I have a Samsung Jetbot (robot vacuum cleaner) and am building a garage for it to go under a kitchen unit. I want the 'garage door' to open to let the vacuum out, and close again once the vacuum returns to its dock. I … --- ## [Sending PRCTool format IR codes using Arduino](https://forum.arduino.cc/t/sending-prctool-format-ir-codes-using-arduino/1393359)
**Author:** [@emanuel2020b](https://forum.arduino.cc/u/emanuel2020b)\ **Replies:** 8\ **Last updated:** [July 7, 2025, 8:18am UTC](https://forum.arduino.cc/t/sending-prctool-format-ir-codes-using-arduino/1393359 "2025-07-07T08:18:44Z")
Hi there! I have a Avermedia DVR with no remote. So basically useless. I have tried to find a remote for it and no such luck at a reasonable price. Then I tried the Lirc database for finding a copy of the remote codes to… --- ## [Advice for Arduino Mesh Network (LoRa or FSK) with Repeaters and Gateway – No Manual Config](https://forum.arduino.cc/t/advice-for-arduino-mesh-network-lora-or-fsk-with-repeaters-and-gateway-no-manual-config/1393124)
**Author:** [@ram203](https://forum.arduino.cc/u/ram203)\ **Replies:** 4\ **Last updated:** [July 2, 2025, 4:16pm UTC](https://forum.arduino.cc/t/advice-for-arduino-mesh-network-lora-or-fsk-with-repeaters-and-gateway-no-manual-config/1393124 "2025-07-02T16:16:25Z")
Hello, I'm working on a wireless sensor network project using Arduino-compatible boards. The setup includes: Many transmitter nodes read ambient temperature every 15 minutes and broadcast the data. Repeater nodes tha… [Next page](https://forum.arduino.cc/c/other-hardware/device-hacking/33.md?page=1)