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Yet Another Smallest Regulated Boost SMPS (No SMD)
Music Box for Kids
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How to Solder SMD Components !
Adjustable Micro Power Supply
10€ BICYCLE USB CHARGER
Wireless Doorbell Transmitter
Raspberry Pi automatically boots when it gets power. It doesn't not shut off like PCs do when the software is shut down. So it takes a second step to shut off power. So the Pi can be in a state where the OS is shutdown and it is still receiving power. The button on the module I designed will tell the Pi to boot up if it is in that state. I've read that it uses about 200 mA in while in this shutdown state. It would take a more complicated and expensive hardware, it would need route the USB power through it, to fully power off the Pi on shutdown. I have projects that do that, but recall it being about 3x more expensive than this project.
Pi Shutdown Module
Pi Shutdown ModuleView Instructable »
DIY Solid State Relay
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Bluetooth Remote Controlled Light Switch -- Retrofit. Light Switch Still Works, No Extra Writing.
Generic Power Supply Board
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Circuit Board Design Class
Laying Out the Board
Assembling the Board
LoRa-Tooth: Small Wireless Sensors
Preparing a Schematic
PCB Concepts and Materials
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THE DIY ARDUINO BOARD FOR 5$
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Arduino RC Boat
IR REMOTE BOAT ARDUINO
Private message me if you need tech support on this project
Arduino Tamagotchi Clone - Digital Pet
How to Transfer Data Using Led (li-fi Technology)
Deadpool Pencil Holder
Ardubuino (an Arduboy Compatible Clone)
ATtiny85 POV Display
Arduino Calculator Using the Keypad
Internet of Things Class
Morphing Digital Clock
I made 3 of them for my kids. The coolest maker project I've worked on. Any chance you would opensource the PCB? Ken, thanks for all you do!
$5 DIY ClockView Instructable »
Where is the ino file?
Bearings linked to Amazon are not greased properly for fidget spinners. I used compressed gas duster to blow out most of it and sprayed a good amount of WD-40 and then used the duster on it again. It works pretty well after. Many online say that WD-40 as lube isn't great for spin times though. So you could use WD-40 as a degreaser and add a little of another lubricant. This seems to be a highly recomeneded one: http://amzn.com/B0002FOGFI
Wow those bearings from Amazon barly move. Anyone found better bearings that fit this?
Super Easy with the 3.3v Micro. Everything was only about $5https://www.aliexpress.com/item/RFID-Module-RC522-...https://www.aliexpress.com/item/Pro-Micro-ATmega32...Thanks for the sketch!!!
Super Easy with a 3.3v Micro. Cost about $5 for everythinghttps://www.aliexpress.com/item/Pro-Micro-ATmega32...https://www.aliexpress.com/item/RFID-Module-RC522-...kksjunior, thanks for the sketch!!!
Get the Attiny hardware support from Spence Konde not from High-low Tech. It won't compile with High-low Tech. Also the sketch needs the EEPROMEx library to compile too.It's easy to add the Attiny support:Put http://drazzy.com/package_drazzy.com_index.json into File -> Preferences -> "Additional Boards Manager URLs" Tools -> Boards -> Boards Manager... *If using 1.6.6, close boards manager and re-open it (see below) Select "ATTinyCore by Spence Konde" and click "Install".
Modules and Shields
Motors and Motion
Alternative bootloader binary flashing: Use STM32 ST-LINK utility (STSW-LINK004 on st.com) and ST-Link V2 ($2 on Aliexpress) It uses the 4 connectors opposite of the usb port. The adapter has diagram with pins to use. I couldn't get it to work over serial with either a UART to USB or the Arduino method described with 2 different black pills.
Flashing works with STM32 ST-LINK utility (STSW-LINK004) and ST-Link V2 ($2 on Aliexpress)
It's white. 9 is going to TX. I also tried this with a USB to TTL, but I returned because I've never got the flashing to work. I guess it could be the black pill board. I'm getting another one soon. I answered my original question, the Library won't compile on STMF103R series. I'm going to order this board and try it out. https://www.aliexpress.com/item/WAVGAT-STM32F103C8... it should work with the boot20_pc13.bin It has a ST-LINK connector, hopefully that makes flashing and debugging easier.
After selecting the correct Com Port. "No response from the target, the boot loader can not be started." I followed hook up and flash instructions in $3 Makey Makey instructions exactly.
I find the black pill impossible to flash. I've tired your instructions several times with different hardware. Would I be able to do your project with a STM32F103RET6 development board and a ST-Link JTAG programmer?
Here a Picture of a Black Pill. I have another one on the way. I'll try that one too.
Capacitive Touch Keyboard I...View Instructable »
Raspberry Pi On/Off Switch ...View Instructable »
Simple Raspberry Pi DoorbellView Instructable »