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NEW PRODUCTS THIS WEEK
Black Micro Potentiometer Knob – 4 pack
Have you found yourself in a maze of twisty-turny knobs, all alike? These micro potentiometer (or rotary encoder) knobs offer a rainbow burst of color to your synth or control panel. They are made of a hard plastic, with a grippy star shape. The shape is sometimes referred to as “Davies 1900” style, but they may not be a perfect size/color match for original Davies knobs.
The micro knobs work with any shaft type (round, D-shaft, or T18) because they come with a tiny lil set screw. Use a 2mm hex wrench, not included, to carefully tighten once placed.
This is the Adafruit black version, comes in a pack of four! We have cream, white, yellow, orange and red available as well.
Multi-Color Micro Potentiometer Knob – Rainbow 10 pack
This is the multi-color rainbow version; comes in a pack of ten! You get one each of purple, red, orange, yellow, green, blue, brown, black, white, and cream
Adafruit Triple-axis Magnetometer – MMC5603 – STEMMA QT / Qwiic
Sense the magnetic fields surrounding us with this handy triple-axis magnetometer (compass) module. Magnetometers can sense where the strongest magnetic force is coming from, generally used to detect magnetic north, but can also be used for measuring magnetic fields. This sensor tends to be paired with a 6-DoF (degree of freedom) accelerometer/gyroscope to create a 9-DoF inertial measurement unit that can detect its orientation in real-space thanks to Earth’s stable magnetic field. It’s a great match for the LSM6DSOX from ST!
We based this breakout on the MMC5603, a great general purpose magnetometer with a very wide range and bot I2C and SPI interfaces. This compact sensor uses I2C to communicate and it’s very easy to use. Simply download our library and connect the SCL pin to your I2C clock pin, and SDA pin to your I2C data pin and upload our test program to read out magnetic field data. If you’d like, you can also use SPI to receive data (we just happen to prefer I2C here)
Step Switch with LED – Three Pack of Yellow with Red LED – PB86-A1
These hinged momentary step switches are evocative of the 16-step sequencer keys on TR-808 sythesizers. Also sometimes used on A/V equipment, they’re very tactile with a good clicky feel. And of course, the built in red LED is great for indicating when something is on or off – or as visual feedback when clicked.
There’s four legs to the switch for mechanical stability. The switch is momentary SPDT type, there are two pins of the four that act as the common, and they naturally connect to one or the other of the remaining pins when the button is pressed. Check the diagram below to see which pins are the pole and which are the two throws. You may also want to use a multimeter on continuity mode to verify.
Note they are not breadboard or perf-board friendly! You’ll need to either hand-wire or design into a PCB.
Learn more! Also available in blue and red and white and red!
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