#techtools

[adafruit]

Espressif programmer test success! 💻✨🔧

While developing boards, there are oftentimes we want to program ESP chips without going through the onboard USB port; this adapter will help us (and others) do that! It has a CP2102N USB-serial chip

https://www.digikey.com/short/bm7n3p5z

...with RX/TX signal LEDs and two transistors wired up to the DTR/RTS line for the 'esptool standard' reset procedure technique. The output IO, plus a 3.3V 500mA regulated output, is available on a socket header, so you can plug wires in for quick programming and debugging. You can use this for everything from an ESP8266 up to the ESP32-P4! Here, we are testing it with a HUZZAH ESP8266 breakout board

Adafruit HUZZAH ESP8266 Breakout

Add Internet to your next project with an adorable, bite-sized WiFi microcontroller, at a price you like! The ESP8266 processor from Espress

...one of our first Espressif chipset products.

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[westonclemens-blog]

Tech Tool: VoiceThread

VoiceThread:

https://voicethread.com/products/k12/

VoiceThread is a great Web-based digital storytelling program that enables users to upload pictures or documents, record accompanying audio (or video) commentary, and invite others to record commentary as well. Its simple combination of visual and recorded media is perfect for creating multimedia presentations in a relatively short time frame using simple tools. With VoiceThread teachers and students can create virtual tours, report on books they've read, comment on historically significant photographs, debate a topic, and more. Its uniqueness lies in the ease in which audio commentary can added to images and documents and the ability to add multiple commentaries to a single artifact. VoiceThreads can be hosted free of charge at VoiceThread.com and each VoiceThread has its own unique URL. A VoiceThread can be embedded in blogs, wikis, and other types of Web sites and even downloaded.

G.K12.5.3.3a - Technology - Know: Identify appropriate technology to achieve a project goal.

All great speakers were bad speakers at first. (n.d.). Retrieved February 06, 2017, from https://voicethread.com/products/k12/

[adafruit]

Round display EYESPI tester is a go! 👁️🔍

This 1.3" round TFT display will be in the shop soon, thanks to this tester, which lets us quickly verify all functionality: We're reading a display bitmap off of the SD card, displaying it, and then pulsing the backlight. We do this all through the EYESPI connector https://www.adafruit.com/search?q=eyespi and this one is passing just fine. After we package the display, we can stock it in the shop!

[adafruit]

💡 Power up your Pi with the official 45W USB-C Power Supply ⚡, light up your next project with glowing LED number filaments 🔢, or control solenoids with ease using our I2C 8-Channel Driver. At Adafruit!

🔗 https://www.adafruit.com/new

[adafruit]

Got lots and lots of solenoids?

We were chatting with a customer and realized we need a better solution for customers with many solenoids or other high-current on/off loads. This breakout will make it easy to control and power many inductive or high-current loads. An mcp23017

https://www.digikey.com/short/nf4pn2rc

expander over I2C provides 8 output pins, each connected to an AO3406 N-Channel FET

https://www.digikey.com/short/rh398zbh

with a 1N4007 flyback diode.

https://www.digikey.com/short/343h9890

Terminal blocks allow for quick wiring to power and each high current output, including one chunky block for the power input. The other 8 expander I/Os are exposed if you want buttons or simple LEDs. The breakouts have stemma QT for fast chaining/control over I2C.