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Listens for tones and comparing to password tone or master tone. Master used for password changing.

More info: github.com/Airrr17/ZX_Spectrum_micro_laptop Thanks to: Code: github.com/sdima1357/spectrum128_cpm_8bit Keyboard: github.com/w4ilun/pocket-keyboard Stickers: zxuno.speccy.org/descarga_e.shtml

Emulated on STM32F407VET6 with ili9341 tft. More info: github.com/Airrr17/ZX_Spectrum_micro_laptop Thanks to: Code: github.com/sdima1357/spectrum128_cpm_8bit Keyboard: github.com/w4ilun/pocket-keyboard Stickers: zxuno.speccy.org/descarga_e.shtml 5 BORDER 6: INK 0 10 CLS 20 FOR a=0 TO 127 30 PLOT a,0 32 DRAW a,175 40 NEXT a 100 INK 2: FLASH 1: PAPER 0: PRINT AT 20,18;"zx basic DEMO" 108 FLASH 0:...

Emulated on STM32F407VET6 with ili9341 tft. More info: github.com/Airrr17/ZX_Spectrum_micro_laptop Thanks to: Code: github.com/sdima1357/spectrum128_cpm_8bit Keyboard: github.com/w4ilun/pocket-keyboard Stickers: zxuno.speccy.org/descarga_e.shtml

Simply LIDAR that shows directions and ranges on tft screen. github.com/Airrr17/LIDAR_vl53l0x

Can be played with buttons or even ps/2 mouse (on STM32 version). Buttons only is for ATmega328 or atmega32u4. Press key UP for game saving and turn off the device safely. Resume the game later. More info: github.com/Airrr17/ATETRIS

г. Бобров, Воронежская обл. 2012

Sorry for a such quality. This is the best I've got. This is video for project github.com/Airrr17/Quarry First level is really easiest. Second is for fall demonstration. From forth and further didn't much tried :) But you can always edit those levels and add yours. With any text editor where: 8 is empty space 1 is wall 2 is rock 3 is send you can dig 4 is crystal 5 where you start, should be on...

Second video of th-cam.com/video/2v5ndUL1A-s/w-d-xo.html Final session. Disassembled in favor of the next generation :)

Doesn't use any cellular, wifi or other common networks. Just flash firmware or compile and you are set to chat freely with all such devices in range. Works without mobile phone. Blue pill STM32F103C8T6 and ILI9341. *Depends on local freq rules, but 433mHz should be fine worldwide. Range are mostly depends on antenna setup. See sources for details!! github.com/Airrr17/LoRa_messenger guess the m...

3: 360 degree heading test th-cam.com/video/6MDvuQc0w5g/w-d-xo.html BNO080 works great with stm32duino via i2c. Use GameRotationVector instead of RotationVector. STM32 calculates real angels (Euler) from BNO's quaternions. it helps to reduce the number of data packets over wifi.

2: Chassis test th-cam.com/video/97us4vYNSSo/w-d-xo.html Controlled with custom made MMjoy2.

Plays MOD files from sd card. Source: gist.github.com/Airrr17/bc0f01b39e3948598023b614efe96597 DAC (PCM5102): 3.3V VCC, 33V, XMT, (SCK) GND GND, FLT, DMP, FMT, SCL BCLK-BCK to Pin D26 ESP32 I2SO-DIN to Pin D22 LRCLK(WS)-LCK to Pin D25 OLED SSD1306: SDA - D21, SCL D4 SD card: CS - D5, MOSI - D23, CLK - D18, MISO - D19 Next track - VP pin to VCC (pull down req.)

AirrrBot new aluminium base and tracks with bldc motors

CD-BOT v3 Testing tracked robot-manipulator control with custom joystick. play time.

Dual L6235D Sensored BLDC controlled by stm32 via DAC with OLED and tachometer

Dual L6235D Sensored BLDC motor driver controlled by stm32 via DAC for tracked robot.

ESP8266 streaming MP3 webradio with SPIRAM

Tiny Mega328p BMP280 pressure sensor with OLED

Arduino PSG AY3-8912 chiptune player with OLED

Arduino PSG AY 3 8912 player with OLED.

Romania, Bran Castle, DJI Mavic Pro. Flyby.

CD-BOT beta. 3rd version. very first test of wifi controlled robot with arm and camera

Mini bluetooth tracked robot with camera

TA2020 Class D AMP

Балтимор - Воронеж. 100 лет ВВС России

Балтимор - Воронеж. 100 лет ВВС России

RC robot v2.0

CPU fan stroboscope