Postbag Index – the Seventies

Julian’s Postbag: #73 – eBay Electronics Haul

  • WS2812 DC5V/WS2811 DC12V Mini Controller 76 Effect Control 2048 Pixels Bulit-in
  • USB Charger Doctor Current Voltage Charging Detector Battery Voltmeter Ammeter
  • 2PCS RGB LED Ring 16Bit WS2812 5050 RGB LED + Integrated Drivers For Arduino
  • 7-Bit 8-bit 12-bit 16-bit 24-bit 60-bit WS2812 5050 RGB Lamp Panel Round LED
  • 1PCS NEW 5V PIC12F675 Development Board Learning Board Breadboard L87
  • 10pcs Micro USB Charger Module 5V 1A 18650 Lithium Battery Charging Board TP4056

Julian’s Postbag: #72 – Beautiful Multi-Colour Flashing LEDs

  • DC 5V 50PCS WS2811 RGB Full Color 12mm Pixels digital Addressable LED String
  • 21Key LED Symphony IR Remote Controller For WS2811 WS2812B LED Strip Light DC 5V
  • DC5V 12V 24Key IR Remote Controller WS2811 WS2812B Pixel LED Strip Light Module
  • 8A Li-ion Lithium Charger Battery Protection Board LED Capacity Indicator 18650
  • 100A 60V DC RC Helicopter Airplane Battery Power Analyzer Watt Meter Balancer
  • Premium Mens Womens LED Digital Sports Silicone Bracelet Waterproof Wrist Watch

Julian’s Postbag: #71 – More Fun Electronics Stuff from China

  • B0505S-1W DC-DC 5V Power Supply Module 4 Pin Isolated converter NEW
  • Digital LCD TDS EC TEMP PPM Meter Tester Filter Pen Stick Water Quality Purity
  • 2pcs 0.9V-5V to 5V DC-DC Booster Module USB Mobile Step-up Power Supply Module
  • INA219 I2C Bi-directional DC Current Power Supply Sensor Breakout Module
  • Digital LCD Indoor Temperature Humidity Meter Thermometer Hygrometer
  • Digital Cigar Humidor Hygrometer Thermometer Round Black Face
  • Flexible Stranded of UL-1007 24 AWG wire cable Yellow/Blue/Red/Black 10M 300V
  • microcontrollers PICkit2 PIC KIT2 debugger programmer for PIC24 PIC32 PIC dsPIC
  • PICkit3 PIC KIT3 Debugger Programmer Emulator PIC Controller Development board

Julian’s Postbag: #70 – Ten Items in Ten Minutes (well almost)

  • Qi Wireless Fast Charger Charging Pad for Samsung Galaxy S6/S6 Edge Note5 Nexus4
  • Digital LED Constant Current & Volt Regulated Power Supply Step-down Module
  • DC High voltage Generator Inverter Electric Ignitor DIY Kit for 18650 Battery
  • Fashion Child Kid Silicone Date Multi-Purpose Electronic Wrist Calculator Watch
  • Flashing LED Glow Light Up YOYO Party Colorful Yo-Yo Toys For Kids Boy Toys Gift
  • Durable Analog Hygrometer Humidity Meter Power-Free Indoor Outdoor High Quality
  • Dual USB 5V 2A 6x 18650 Power Bank Battery Case Box Charger Box For Cell Phones
  • KWS-V20 USB LCD Digital Current Voltage Doctor Capacity Tester Meter Voltmeter
  • New 1M Micro USB Data Charging Voltage Current Cable Cord For Android Phone
  • Ultra Thin Wireless Power Charging Pad Receiver Tag for QI Android


Julian’s Postbag: #69 – More Electronics Stuff from eBay

  • 100pcs 10 x 1 mm Neodymium Disc Super Strong Rare Earth N35 Small Fridge Magnets
  • 1PC Farad Capacitor 2.7V 500F 35*60MM Super Capacitor 2.7V500F
  • AD584 High Precision Voltage Reference Module 4-Channel 2.5V/7.5V/5V/10V
  • DC 5V-32V to 1V-30V 10A LTC3780 Automatic Step Up Down Regulator Charging Module
  • Bluetooth Smart Wrist Watch Phone Mate For IOS Android iPhone Samsung HTC LG

Julian’s Postbag: #68 – Why do I buy all this eBay stuff?

  • Smart Voltage Current LED Display Micro USB Sync Data Fast Charging Cable 1.2M
  • Geneva Women’s Candy Color Quartz Watch Round Dial Analog Indicate Rubber Band
  • New Anti Gravity Revolution Magnetic Levitation Device Science Educate Toy
  • Check out 10PCS Card Lamp Bulb Led Keychain Mini LED Night Light Portable USB Power White
  • Black 7-Port USB 2.0 Hub with High Speed Adapter ON/OFF Switch for Laptop PC
  • Farad Capacitor 2.7V 120F 6pcs Super Capacitor With Protection Board Module

Julian’s Postbag: #59 – Wonderful Tech or Worthless Tat?

  • DC-DC Converter Isolated Power In 10V-16V Double Out 5V
  • Multifunction 60W Constant Current Electronic Load Battery Capacity Tester Module from Banggood
  • OLED Smart Wrist Band Bracelet Watch Pedometer Bluetooth for Android IOS Orange
  • Creative DIY 4 IN 1 Educational Learning Power Dragon Solar Robot Kit Kids Toy $9.99

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