Adafruit

US$2.50
The 5384-ADA is a 300mm 4 wire connector. It is fitted with JST-SH and has a solid latch that makes it easier to insert.
 
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US$4.50
The 5383-ADA is a small Li-po and Li-ion battery meter. It has a very simplistic design and is easy to install on any battery.
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US$36.17
The 5303-ADA is an ESP32-S2 module with 4MB of flash and 2MB of PSRAM. It also has a built-in BME280 Sensor, which detects temperature, humidity and pressure. Hurry! Before this product flies off the shelves!
Delivery within 2-3 weeks
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US$38.90
This feather comes with native USB and 4 MB flash + 2 MB of PSRAM, so it is perfect for use with CircuitPython or Arduino with low-cost WiFi. Native USB means it can act like a keyboard or a disk drive. WiFi means its awesome for IoT projects. And Feather means it works with the large community of Feather Wings for expandability.
Delivery within 2-3 weeks
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US$6.92
The LED is very bright, with 90 Lumens in a 140 degree lambertian pattern.
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US$11.28
The thumbstick is an analog joystick - more accurate and sensitive than just 'directional' joysticks - with a 'press in to select' button. Since it's analog, you'll need to analog reading pins on your microcontroller to determine X and Y. Having an extra digital input will let you read the switch. 
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US$31.62
The long-awaited BME688 from Bosch gives you all the environmental sensing you want in one small package. This little sensor contains temperature, humidity, barometric pressure, and VOC gas sensing capabilities. All over SPI or I2C at a great price! The BME688 is a 'drop in' replacement for the BME680 - it adds a method of programming the gas-sensor heater for controlled odor-analysis but is otherwise the same hardware.
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US$5.68
This navigation switch is an intuitive way to add 5 button's worth of interfacing with a single component. Inside is 5 switches: left, right, up, down and 'select' (pressing down), all with a common ground pin.
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US$27.25
The 5000-ADA is a highly-integrated, low-power, 2.4 GHz Wi-Fi System-on-Chip (SoC) solution that now has built-in native USB as well as some other interesting new technologies like Time of Flight distance measurements. With its state-of-the-art power and RF performance, this SoC is an ideal choice for a wide variety of application scenarios relating to the Internet of Things (IoT), wearable electronics, and smart homes.
Delivery within 2-3 weeks
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US$2.39
These 5-wire cables are 168mm (6.6") long and come as a set. One cable has a JST SM type connector plug on the end. The other cable has a matching JST SM type receptacle connector. They are good for whenever you have 5 wires you want to be able to plug and unplug.
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US$9.05
This Stemma QT breakout makes all that frustration go away - solder in any 'standard' PEC11-pinout rotary encoder with or without a push-switch. The onboard microcontroller is programmed with our seesaw firmware and will track all pulses and pins for you and then save the incremental value for querying at any time over I2C. Plug it in with a Stemma QT cable for instant rotary goodness, with any kind of microcontroller from an Arduino UNO up to a Raspberry Pi.
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US$43.67
The LEDs are individually addressable, so you can use it to display anything in a 9 x 14 grid. Scroll text, play games, display images, or anything else you want to do. This kit you will need to assembled / solder it together.
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US$43.67
The LEDs are individually addressable, so you can use it to display anything in a 9 x 14 grid. Scroll text, play games, display images, or anything else you want to do. This kit you will need to assembled / solder it together.
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US$7.61
A button is a button, and a switch is a switch, but this LED illuminated arcade buttons is in a class of its own. Its the same size as a 'standard' 30mm arcade but has a built in LED that can be controlled separately from the switch action - either to indicate or just to look good. 
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US$5.41
This is a 40-pin FPC to Right Angle 2x20 IDC Female Socket Header Adapter. Use this adapter, which will act as an extender for all 40 pins to give you a streeeeetch. Simply plug the socket side into the Raspberry Pi. Then, keeping an eye where Pin 1 is, insert your FPC ribbon cable into the 40-pin flex connector.
Delivery within 2-3 weeks
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