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S06P / S-KU63 torque simulation motor controller review
DIY voltage & current reference standard
Arduino switch library with Short/Long Press, Double Click
DIY battery tab spot welder
The Maxun solarbike project
Dual pulse battery tab spot welder controller
Software oscilloscope for inside microcontroller
Spoty precision SMD micro-dot solder paste dispenser
SAM 15x15mm Arduino Zero compatible SAMD21 board
Connectorless self-clamping zigzag TAG In-Circuit Programming connector
Bosch Active Line 3 mid-drive motor tear down
Arduino Universal Power Control (UPC) board
Yamaha dongle to use 3rd party batteries
Vacuum tube works on 3.3V totally
Open source robust passive two-wire bus
Ergonomic thumb switch for e-bike throttle control and electronic gear-shifting
Bluetooth Watt meter cockpit
Popular
Maxun e-kit
Bluetooth Watt meter dongle
Maxun e-kit / E-bike Bluetooth Watt meter
Spotwelder
Old spot welding pulse timer controller bare PCB v1
TFTディスプレイ付きスポット溶接機パルスタイマー制御装置
Old spot welder controller smd v5
Spot welder controller for the Kende DN-100E (Harbor Freight) prevents blown fuses
Spot welders from other users
Spotwelder controller info for nerds
Universal Power Control board
Electronic vacuum controller / leakage detector for vacuum infusion and bagging
Arduino reflow-oven / hot-plate controller
Solarbike
Other solar powered bicycles
E-bike
Motor
Simulation e-bike hub / mid-drive motor efficiency vs speed
Compared mid-drive motor, hub motor, Xiongda 2-speed hub motor
Extracting motor parameters from the graph
Ebike hub motor selection
Permanent magnet DC electric motor tuning / optimization
Simple hub motor test stand
Cute Q-85SX hub motor test
Measuring DC motor parameters
Bosch Active Line 3 printed circuit board expained
Yamaha PW-SE mid-drive motor tear down
Yamaha PW-X2 mid-drive motor tear down
E-bike mid-drive motors compared: Bosch vs Shimano, Panasonic, Yamaha, Brose, Polini, Bafang, Tongsheng etc.
Tongsheng TSDZ2 vs Bafang BBS02
Lightweight TSDZ2
Yamaha PW-X and PW-X2 nylon gearwheel repair
The efficiency of the BLDC motor Tongsheng TSDZ2 and Astro 3205 compared
Review Xiongda dual-speed hub motor
Ebike electronics
Kingpan half-bridge 36V 8A fast battery charger
Battery management system BMS
Review capacity cell balancing BMS "AE-LMD17 REV A1"
Motor controller
High-side n-channel MOSFET driver with LM5050-1
Pedelec legalisation device
Bontrager Ion 200 RT teardown, what inside?
DIY high power daytime running light for ebikes
Repairing ebike motor electronics
Lightweight high power fast battery charger
Battery management system (BMS) with internal resistance (IR) compensation
How do torque simulation motor controllers work?
DIY make ebike battery charger adjustable
BLDC motor commutation
Batteries
Lipo / LiFePO4 ebike battery information
Building lithium-ion battery pack safety instructions
Battery fuel gauge discharges e-bike battery
Unallowed product tying with e-bike batteries
Verboden koppelverkoop bij elektrische fiets accu’s
Ultra fast charging batteries for e-bikes
MKEPA e-bike battery review
Ebike miscellaneous
Bicycle links
Formulas for power calculations on ebikes and hub motors
The cost of bicycle weight saving
Energy requirements of cycling
E-bike regulation and limitations
Minimale fiets bagage
Bicycle bidon without plastic taste
Tips voor fietsen in de bergen
Verzet berekening
Lightweight 12.5kg sport e-bike
De actieradius van elektrische fietsen vergelijken
Gazelle Orange Innergy rebuild
Why does the Shimano Nexus-7 has such a great friction?
Mechanical issues
Torque arms and front fork stress due to hub motor
Shimano Deore XT brake lever switch with Hall effect sensor
Super lightweight bicycle rear rack 140g
Robust long-distance Hall sensor - magnet pair for rear wheel speed measurement
First custom carbon fork special made for hub motors
Arduino
Interfacing with hardware
How to use the Nokia 5110 LCD Module at Arduino
MediaPlayer interface class for the Arduino Wave Shield
How to burn the Arduino bootloader
Arduino ebike cycle computer
Arduino heartbeat LED library with diagnostic blinking LED for errors
How to use the Arduino ILI9341 TFT
Arduino MAX17263 fuel gauge library
LTC2499 / LTC2493 24-bit ADC library for Arduino
Energy saving running LED bar graph
Arduino menu with one button and one LED
Arduino miscellaneous
Arduino tips and troubleshooting
Cheap Arduino hardware from China
Arduino unserious
Improved ATmega128/328 and ATtiny Eagle library symbols
Changing Arduino IDE theme colors
Handy Arduino functions
SAMD21
Arduino ATSAMD21 for dummies
Arduino Zero for dummies
SAM 15x15 package information
How to burn / flash a bootloader into an external ATSAMD21
Arduino Zero com port detection and upload problems
SAM 15x15 quick start guide
SAM 15x15 package installation
How to make a simple Pogo pin test fixture for PCB probe testing
ADC/DAC
Integrating 10-bit DAC for the Arduino
Fast 8/10-bit PWM DAC for the Arduino
Cheap 16 bit DAC AD5662 for the Arduino
Fast analogRead 10/12 bit ADC for the Arduino Zero and Uno
Fast PWM-DAC library for the SAM15x15 and Arduino Zero
Timing
Frequency / period counter for the Arduino
Simple Arduino Stopwatch library
Non-blocking Virtual Delay timer for the Arduino
SAMD21 Timer library for the SAM15x15 and Arduino Zero
Measurement
Solar cell curve tracer with 0.2% reproducibility
Arduino LM335 temperature sensor interface
Arduino / AVR internal temperature sensor interface
Digital kitchen weighing scale interface for Arduino
Arduino wireless RTS capacitive rain-sensor for Somfy motorized awning
ATtiny3217
Combined FTDI / UPDI program connector for the ATtiny AVR XMEGA series
Dily3217 mini ATtiny3217 development breakout board in DIL24
Burning a bootloader into the ATtiny3217 via the UPDI / reset pin
Programming
Extreme Programming with microcontrollers
Descriptive variable and function name examples
Samenvatting c++
Tech tips
PCB
Surface-mount 0603 perfboard prototyping
Easy desoldering SMD 0402 0603 0805 at a high temperature Hakko
Autodesk Eagle tips and tricks
For sale DIY high quality prototyping 1.27mm SMD breadboard
Making high-density PCBs, SMD footprints, trace widths, via size
Eagle library for easily create addressable LED rings NeoPixel WS2812B-2020
Tech tips electronics
Four quadrants MOSFET graph
Goedkope elektronica onderdelen bestellen
DIY acoustic AC magnetic field Gaussmeter
Microwave oven repair safety precautions
Simple general summing and subtracting opamp calculation
Cheerson CX-10WD mini RC quadcopter teardown
Panasonic microwave oven inverter how it works
AC-DC 2W converter NA02-T2S05 tear down
Handsfree intra oral electronic bluetooth larynx
Transistor SMD assortment sample book values overview
Testing the accuracy of FFT analysis on a Rigol scope
Discrete LM741 operational amplifier in DIL8
MH-M18/M28/M38 Bluetooth audio receiver/amplifier tear down
FT8430 smart Chinese high input voltage buck converter with just 3-pins
USB-C can deliver 2000 Watt
PV panels
Solar panels for bicycles
Bypass diode simulations in solar panels
Available bypass diodes
Solar panel mismatch loss vs tolerance simulation
Using Sunpower solar cells at the World Solar Challenge
Computer
Ergonomic laptop workplace
Most important Windows shortcuts
Fixing video card fan noise
Stiff laptop LCD screen hinge lubrication
Laptop power jack protection
Problemen met draadloos internet verhelpen
Easy Image Caption solves the Joomla 3 - 4 image caption incompatible problem
Composites
Composites tips and info
Vacuum pump timer
DIY vacuum pump
Composites links
Composites theory
Solving composites problems
The making of extremely lightweight sandwich panels
Tech tips Miscellaneous
Misleading relays failure symptoms
The best wire for e-bikes: Irradiated crosslinked PVC
DIY stainless steel strapping and banding tensioning tool
Super strong chemical anchor with polyester filler
Wat is de optimale lichttransmissie veranda zonweringsdoek?
How to make unbreakable necklaces with jewelry beading wire & threads
MS Word symbols
GPS
GPS info
GPS links
Fietsnavigatie getest
OsmAnd getest
Reversing a track in RouteYou and Mio Cyclo with ReverseStravaGpx
Mio Cyclo 400 getest en ontevreden teruggestuurd (NL)
The best Garmin Edge Explore settings for using navigation
Garmin Edge Explore bug list
Handleiding routes van RouteYou naar Garmin overzetten
Wandelingen
Wandeling via Romeins aquaduct van Zammelen naar Tongeren
Wandeling Kalterherberg - Monschau
Hertog-Limburg pad wandeling
Fietsroutes
Fietsroute Maastricht-Visé
Fietsroute langs de Maas van Maastricht tot Sedan
Elektrische fiets route Herve 53km
Miscellaneous
Columns
De woekerpolis maffia
Stop kernenergie
Tramlijn Hasselt – Maastricht, de nieuwe miljoenenlijn
Waarom is het zo koud in de NS treinen?
What can you buy with a billion dollars?
De honderden miljarden van de eurocrisis gevisualiseerd
Zelf pizza's maken
Zaak Helpoort in een ander daglicht
Rijbewijs verlopen, toch verzekerd!
Life
Oplossing voor tekort aan orgaandonoren
Oplossing van de dure Euro
Straalkachel mogelijk kankerverwekkend
Hersenen versus computer
Zwarte parasols zijn gloeiend heet in de zon
Mijnwerker kreeg 46% subsidie op nieuwbouw woning in 1955
Other
Openbaar vervoer voor dummies
Inboedelverzekering voor dummies
High concept movie pitch loglines examples
Tips bij het kopen van een keuken
Tektronix 465, 475, 475A spare parts for repair
Foto's met d’n Observant op de achtergrond
My selve made printed circuit boards from 1975
Voorkom het tijdrovende overtypen bij adressering PostNL verzendlabels
Ideas for electronic mechanical or IT graduation projects
Pepinster flood July 2021
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