Hello, as prices are exploding I bought an ATtiny88 and I tried the blink sketch.
Except that's quite long to boot, it works when powered by USB.
When I try to power it directly to its 5V/GND pins, like I would do it with any ATmega, it doesn't work. Any idea? This chip can be only powered by USB?
The chip is always powered by its Vcc/GND pins.
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A (very ugly) way to check your supplied power is to connect your ?Arduino? board to your external power (or USB), and if your ?Arduino? board works, then jumper that ?Arduino's? 5v/GND to your ATTiny88 5v/GND.
It's an MH-Tiny board (from digispark):
Blink sketch only works when the board is powered by USB and not by 5V/GND pins.
Of course my power supply works with Dupont wires + bread board with any another boards. With this board, the orange led switch on but nothing else happens, no boot.
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