Flick through all that’s new right here!
NEW PRODUCTS THIS WEEK
Tiny Code Reader from Helpful Sensors: The Tiny Code Reader from Helpful Sensors is a small, low-cost {hardware} module that reads QR codes. It’s designed to be a easy solution to provision a system, for instance, by offering the Wi-Fi community identify and password or offering enter when there’s no keyboard.
Internally, the Tiny Code Reader bundles a picture sensor and a small microcontroller right into a single board, however to make it as simple as potential to construct into merchandise, the parents at Helpful Sensors wished to cover these implementation particulars. It returns details about any QR codes it sees over an I2C connection.
The board makes use of an ordinary STEMMA QT / Qwiic connector for the I2C interface. Should you’re utilizing an ordinary connector, the wire colours are yellow for SCL, blue for SDA, purple for 3.3V, and black for GND. The sensor helps I2C bus speeds of as much as 400k baud with 3.3V energy; different voltage ranges (like, 5V) will not be supported.
Adafruit STEMMA Piezo Driver Amp – PAM8904: Piezos make noise whenever you put an AC voltage throughout them: and the larger the Vpp the louder they’re. Along with your normal 3V logic microcontroller you may make 3Vpp with a PWM out, or 6Vpp differential with two complimentary outputs. However what if you would like even louder? Or should you’re utilizing a piezo to sense distance utilizing ultrasonic bounces?
We discovered the nifty PAM8904, which is an amplifier particularly designed for driving piezo parts – and in contrast to audio amplifiers it’s good for as much as 300 KHz! It’s a switched-cap piezo driver that has bridge-tied load (BTL) output and as much as 3x voltage multiplication because of a inbuilt boosting circuit for as much as ~13Vpp.
We whipped up a fast breakout in our 2mm JST-PH STEMMA form-factor to make it simple for anybody who desires to beep their boops very loudly.
Adafruit Metro M7 with microSD – That includes NXP iMX RT1011: Your favourite electronics firms have collaborated to make the quickest Metro ever! For this new product, DigiKey, NXP and Adafruit all contributed the stuff the stuff they know finest: transport components quick (DigiKey), designing microcontrollers (NXP) and crafting nice merchandise with tutorials (that’s us, Adafruit!)
We teamed as much as current to you the Adafruit Metro M7 with microSD! An NXP iMX RT1011 microcontroller powers this board with a 500 MHz ARM Cortex M7 processor. There’s 8 MB of execute-in-place QSPI for firmware + disk storage and 128KB of SRAM in-chip. Arduino-compatible headers make utilizing any ‘defend’ daughterboard simple. And, as you’ll be able to count on, there’s a micro SD card slot wired up proper on board in an effort to learn recordsdata or knowledge log simply to detachable, wear-leveled storage.
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