USB HUB + WiFi Teardown

MrMobileWill teardown, usb 0 Comments

One day I come across an interesting product from Adafruit that I couldn’t resist getting. It will make a nice addition to the Raspberry Pi Zero. It’s a 3 port USB hub with inbuilt WiFi which takes the fourth port. Inspired by insideGadgets, here are some photos and part numbers. USB WiFi Hub Wish it was a bit more compact. I have a USB to OTG adapter in the USB plug. USB WiFi Hub Inside USB WiFi Hub PCB Top Main Components USB HUB – Terminus FE 1.1s 3.3V Regulator – AMS1117 WiFi – Realtek RTL8188ETV USB Wifi Hub IC USB Wifi Hub WiFI USB WiFi Hub PCB Bottom Interesting thing to note is the fourth USB port footprint, this PCB …

Teardown: ZIF Socket

MrMobileWill teardown 0 Comments

I recently designed a ZIF programmer for an ATmega328p. This will mainly be used for programming the TinyISP-Tuner and preloaded ICs for the FriedCircuits shop. One problem I ran into was the footprint for the ATmega328p has smaller drills than your standard 0.1in headers, which the ZIF socket would fit in. In trying to make it, fit I messed up the metal clips inside the ZIF which made them closed all the time. So here is a teardown of the ZIF socket as I took it apart to fix it by bending the metal clips back into shape. These are from Adafruit . Sparkfun sells them as well. ZIF socket all parts ZIF socket metal clips ZIF socket without top ZIF …