ATtiny MicroNucleus bootloader upgrade If you read my previous article about Digispark ATtiny85 clone boards, you saw that some of those boards runs on a old Micronucleus v1.6 bootloader. Micronucleus has an upgrade built-in capability which
ATtiny Blinking wearable In this blog post, I will talk about a blinking device I built as a Proof of Value (PoV). The concept is quite simple: The device should blink in green during 2 hours,
sigfox Sigfox sensor node I was asked to transform an old device into a connected device, to follow the usage of the device. Device to modify The device is powered by two D cells. The device has
ATtiny Unbrick an ATtiny13a at 128khz Silly me... I tried to flash an ATtiny13A and set the speed at 128khz. It worked ! But now, I'm unable to flash it again... To unbrick it, I used my USBTinyISP with AVRDude,
ATtiny Sleep device I recently heard about Dodow, a small device which can help to fall asleep. I personnally don't have any issue to fall asleep, but my girlfriend does. I read some articles about this
Arduino Pulse LED with ATtiny After pulsing a LED with a NE555 when the light is on, I want to create the same kind of behavior, but only pulse the LED during few seconds. To do that, I
ATtiny ATtiny85 development boards I recently acquired 3 different ATtiny development boards with USB ports. It should be possible to upload Arduino sketches through the USB port. They are working at 5V @ 16Mhz. To do so, a
Arduino Day counter on LCD display I prototyped a day counter for some friends. I was my first try with a dynamic LCD display, and an ATtiny. The device I build is not a production-ready unit, but a Proof