Author Archives: mauritsvandelande

Reprogramming a HC-11 CC1101 433MHz Wireless Transceiver Module

The HC-11 and HC-12 are low cost 433MHz Wireless Transceiver Modules. It would be fun if opensource firmware could be developed for the on-board STM8S003F3P6 microcontroller. A free IDE for STM8 can be downloaded at Cosmic http://cosmic-software.com/download.php or look at STVD-STM8 from ST. … Continue reading

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HB24208 HB24209 VLGEM1021-03 VLGEM1021A-02 LCD Datasheet

HB24208 HB24209 VLGEM1021-03 VLGEM1021A-02 LCD Datasheet KS0073 34COM 60SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD C-Library for VLGEM1021-03 type LCD

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PS2 thumbstick/joystick “Subminiature Joystick – Model 802” datasheet

Hard to find datasheet: Subminiature Joystick – Model 802 PS2 thumbstick

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Simple short range IR communication for toys

I have a couple of electric Lego Duplo trains which I want to make more intelligent. Like remote control, collision/stall detection and the ability to work together to pull more load. For the inter locomotive communication I’ll use IR transceivers at the front and back. … Continue reading

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Modifying the FGD280E3725 or FGD280E3715V1 2.8 Inch TFT display bus width

A while ago I purchased some FGD280E3725 TFT LCD Touch displays at eCyberspaces, see 2.8 inch 37P TFT LCD Screen ST7781R TP I received the connector pinout but did not know if the display had a 16 or 8-bit databus width. … Continue reading

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PICkit3 PICkit3.5 wiring diagram

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a simple toy audio player

Preface The goal was to make a simple low cost audio player like can be found in Chinese toys. The second goal was to learn about ARM microcontrollers, the system is built around a ST STM32F030F4. The system contains the … Continue reading

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