Electronics
Revision as of 04:46, 3 March 2018 by imported>Tinker
Contents
Current Research
Things I'm Learning
Official Blog of Silicon Labs
- Make your own Printed Circuit Board (PCB)
- Control an accelerometer over I2C
- IoT Security
Resources
Resistance: 4 Band Colour Code Calculator
Capacitance: Conversion Calculator
Local Resources (as in... "Can I get parts without waiting for shipping?")
- Electrical & Electronic Supply Inc.
- Some stock of new parts
- Lots of stock of used/surplus parts
- Whole place is a hell of a mess...
- Forest City Surplus
- Some, very limited, supplies
- Hardcore Electronic Supply
- Very minimal stock so far...
Software
DipTrace - Schematic and PCB Design Software
Tools
- Details about ST-Link V2 Programming Unit mini STM8 STM32 Emulator Downloader M89 Top
- Details about USBasp USB ISP Programmer Adapter for ATMEL AVR S51 WIN7 VISTA AT89S51 AT89S52
- Authentic Nitecore UM20 Dual Slot Li-ion Battery Charger
- USB Voltage Current Meter Charger Doctor Tester 200mV 0-60 Degree
- AVR Parts Tester
- DSO138
- Soldering Equipment
...Parts...
Microcontrollers
Knowledge
- Walking the 32bit path to a blinky LED
- MicroFAT: A File System for Microcontrollers
- Microcontroller Register Manipulation
- I2C
- I2C - Learn
- I2C Tutorial
- I2C with Arduino
- I2C with ESP8266
- I2C Projects
- SPI
- Musings on writing a software USB stack
Tools
Software (IDEs)
TI
Atmel
Renesas
Espressif
STMicroelectronics
Microchip
-STS-
Single Board Computers
Sonoff
- EWeLink
- Search: alternative control for sonoff
- SuperHouseTV #17: Home automation control with Sonoff, Arduino, OpenHAB, and MQTT
- SuperHouseTV #21: Six Sonoff Secrets: Storage, Safety, Switches, Sensors, Software, and Sites
- Esptool - arendst/Sonoff-Tasmota Wiki
- Flashing TASMOTA Firmware on the Sonoff Basic using Arduino (Guy seems a little dumb... but...)
- Flashing TASMOTA on a Sonoff OVER-the-AIR !!! (Same guy again...)
- #125 MQTT meets SONOFF: QoS, Last Will, Keep-Alive, etc. explained and shown
Things I've learned
- Apparently, quality control could be better...
- If you find you're getting silly errors that have you chasing your tail, try reflowing the whole damn board...
Tasmota
- How to setup and configure Arduino IDE for Tasmota compilation and upload.
- Initial Configuration
- Button usage
- Commands
- MQTT Features
- Works just fine on a generic ESP-12 too :)
Next Steps
- Figure out why Tasmota & Mosquitto are arguing...
1520040347: New client connected from 192.168.0.62 as DVES_72995D (c1, k15, u'tinker').
1520040369: New connection from 192.168.0.62 on port 1883.
1520040369: Client DVES_72995D already connected, closing old connection.
1520040369: Client DVES_72995D disconnected.
1520040369: New client connected from 192.168.0.62 as DVES_72995D (c1, k15, u'tinker').
1520040382: Socket error on client DVES_72995D, disconnecting.
1520040383: New connection from 192.168.0.62 on port 1883.
1520040383: New client connected from 192.168.0.62 as DVES_72995D (c1, k15, u'tinker').
1520040421: Client DVES_72995D has exceeded timeout, disconnecting
1520040421: Socket error on client DVES_72995D, disconnecting.
- Hook the Tasmota Sonoff into Node-Red
- Figure out the whole "OTA" part... :P
- Get Google Home talking to Tasmota
High Voltage
- 50,000V High Voltage Power Supply
- Tesla Coil Projects
- ZVS Drivers
Robotics
Off-Grid
- A New & Improved Charge Controller Based on the 555 Chip
- A low-voltage disconnect for 12 volt lead acid and lithium batteries
- ARDUINO MPPT SOLAR CHARGE CONTROLLER (Version-3.0)
- DIY solar cell from scratch
...Projects...
Knowledge
- Current Limiting Resistor Calculator for Leds
- Wire Guage
- Kelvin (4-wire) Resistance Measurement
- James Lewis - They're JUST Capacitors
- How to : Control Speed of Motor
- Some discussion about switching with MOSFETs & a bit about using LTSpice
- How to Build Your Own Discrete 4-Bit ALU
- Build Your Own Motor Driver
- Inspecting Electronic Circuits with an Audible Circuit Probe
- The Basics Behind Constant-Current LED Drive Circuitry
- How Lithium-Metal Doubles the Energy Density of Rechargeable Batteries
- Intro to Stepper Motors
- Uses of Different Soldering Iron Tips
- From Resistors to ICs Color Codes
- Measuring Resistances Less Than 1 Ohm
Digital Logic
Truth Tables
| AND | NAND | |||||
| 0 | 0 | 0 | 0 | 0 | 1 | |
| 0 | 1 | 0 | 0 | 1 | 1 | |
| 1 | 0 | 0 | 1 | 0 | 1 | |
| 1 | 1 | 1 | 1 | 1 | 0 | |
| OR | NOR | |||||
| 0 | 0 | 0 | 0 | 0 | 1 | |
| 0 | 1 | 1 | 0 | 1 | 0 | |
| 1 | 0 | 1 | 1 | 0 | 0 | |
| 1 | 1 | 1 | 1 | 1 | 0 | |
| XOR | XNOR | |||||
| 0 | 0 | 0 | 0 | 0 | 1 | |
| 0 | 1 | 1 | 0 | 1 | 0 | |
| 1 | 0 | 1 | 1 | 0 | 0 | |
| 1 | 1 | 0 | 1 | 1 | 1 | |
Ideas
- Quick and Efficiently Wiring Your Prototype Circuit Board
- Using Transistor as a Switch
- 4-in-1 Arduino LCD Shield Kit
- 9V/1kV DC/DC converter
- A low-voltage disconnect for 12 volt lead acid and lithium batteries
YouTube
- #237: 4 Wire Resistance Measurement | Kelvin connection
- 4 wire kelvin resistance measurement tutorial
- Soldering Tool
- Wireless Module on Breadboard - NRF24L01+ and ESP8266
- Level Shifting Tutorial 5V-3.3V Quick and Dirty Methods
- How to Drive LEDs - Easy Constant Current Circuit
- How to protect circuits from reversed voltage polarity!
- 6 Ways to control Motors! Including with Arduino & Raspberry Pi! How To Tutorial from NYC CNC
- Salvaging Hall Effect Sensors and Neodymium Magnets - Build an RPM-meter
Reverse Engineered: 50p Electronic 555 Doorbell Kit (with schematic)
Schematic generated in Fritzing
Instructables
Caption1
- Is the best PCB etchant in every kitchen?
- Automatic Dark Detector
- How to Control a Nixie Tube with an Arduino
- Basic Electronic components
- Call Blocker / Telemarketer Stopper
- Simple Led driver/Constant-current source 20 mA
Interesting Products
-STS-
- Embedded PID Temperature Control
- Halogen Lamp Abused for Desoldering
- (Homebrew PCBs with Clive)
Finding data on old chips
- A high current power supply built around a server voltage regulator
- Direct PCB Printing with a Modified Laser Printer
- DIY Through Hole Plating of PCBs
LMT01 temperature sensor
Home Automation
Some How-Tos
- DIY Arduino Schematic - AddOhms #23
- How to Make Double Sided Circuit Boards at Home (Mr Carlson's Lab
