Content for STM32F103C8

STM32F103C8

The STM32F103xx medium-density performance line family incorporates the high-performance ARM®Cortex®-M3 32-bit RISC core operating at a 72 MHz frequency, high-speed embedded memories (Flash memory up to 128 Kbytes and SRAM up to 20 Kbytes), and an extensive range of enhanced I/Os and peripherals connected to two APB buses. All devices offer two 12-bit ADCs, three general purpose 16-bit timers plus one PWM timer, as well as standard and advanced communication interfaces: up to two I2Cs and SPIs, three USARTs, an USB and a CAN.

Virtual electronic finderscope

“StarPointer is a virtual electronic finderscope for astronomical telescopes. This device works with Stellarium and helps the observer identify objects in the sky. This unit can be attached to the telescope without modifications and connects with the computer through the …

Portable Foldable Scoreboard

“A portable, scalable and foldable display, that can be used as a Scoreboard or Timekeeper in outdoor sport events, with minimal setup A simple, scalable and foldable display, that can be used as a Scoreboard or Timekeeper in sport matches …

Frequency Counter With Variable Gate Time

“Frequency counter (reciprocal) Gate time selectable from 0.1 second up to 60 seconds Frequency range from 0.1 Hz up to 10 MHz (tested) Input 3.3V and 5V safe Uses a STM32F103C8 (Blue Pill) and 16x4 LCD Supplies …

Serial Monitor With ILI9341 and BluePill

“Serial (ascii) monitor with 9 lines of 28 char. Baudrate from 2400 up to 256000 baud. Digital 3.3V or 5V input. Powered by a single Lithium-Ion battery. (3.7V nominal) Supplies: ILI9341 display (here a parallel version is used …

STM32-based Custom Gaming Keypad With RGB (Originally Made for Osu!)

“What is this? This is a custom gaming keypad with four hot-swappable mechanical keys and customizable RGB LEDs. It is powered by an STM32F103Cx microcontroller and is programmed through the Arduino IDE. Its keys can be programmed on the fly …

LCD Tempeture Sensor With STM32F103

“Tempeture is a crucial variable in many process. To help messure it, there are lots of sensors that can fulfill this task. On this one, we are going to use the LM35 to measure temperature, and also, we are going …

Keybon - Adaptive Macro Keyboard

“Keybon is a macro keyboard with configurable layouts and functions. Integrated into each of its nine tactile buttons is a 0.66” OLED screen. Depending on which app is active on the connected computer, Keybon switches to the suitable key …

buck50: Test and measurement firmware for “Blue Pill” STM32F103

“buck50 is open-source firmware that turns a “Blue Pill” STM32F103 development board (widely available for approx. US$1.50) into a multi-purpose test and measurement instrument, including: - 8 channel, 6+ MHz logic analyzer - Approx. 5K sample buffer depth - Samples stored …

Dual Trace Oscilloscope

“When I build my previous mini oscilloscope I wanted to see how well I could make my smallest ARM microcontroller a STM32F030 (F030) perform, and it did a nice job. In one of the comments it was suggested that a …

Let’s make a DIY gpg usb key

“Some of you may know that you can use yubikey’s as a gpg smart card for message encryption / ssh login however starting at $45 for a compatible one I didn’t really like that, so I searched a bit …