Bygselvhifi
Projects
Design guidelines
18650 charger pcb
5.1 surround volume control
6h30 SRPP preamplifier
6h30 SRPP preamplifier MK II
6h30 SRPP preamplifier MK III
6c33 single ended triode amplifier
6 Watt RF amplifier
Accu discharger (accugraph)
Adpcm PIC application
Advanced shooting trainer
Aikido headphone amp
Audiotron database application
Black+Decker Power Connector Adapter
Class A headphone amplifier with BUF634
FM test mono transmitter
FM test stereo RDS transmitter
FM tuner with 6h30 SRPP output buffer.
Four in a row game
Heat sink calculator
High voltage powersupply
Hour counter AC & DC
IR extender for Philips RC5/6 remotes
IR sampler and iPhone/iPod IR remote
Lambda sonde air/fuel monitor
LED watch MK I part 1
LED watch MK I part 2
LED watch MK II
Lundahl LL1931 stepup transformer
Lundahl moving coil stepup calculator
Max038 frequency synthesizer
Nelson Pass A40
Nelson Pass Aleph 5
Nelson Pass Aleph P
Nelson Pass XONO
Nikon SLR remote
PC USB IR datalink
PH3 phono preamplifier
Read trainer (learn to read faster)
Record player accessories
Remote controlled LED mood lamp
Simple shooting timer
Simple shooting trainer
Single ended triode amplifier with EL84
Sony IR code example
Speaking shooting simulator
TDA1541A non oversampling DAC
TDA1543 non oversampling DAC
TDA7439 tone control
Telephone pulse to DTMF decoder
Telephone pulse to DTMF decoder MKII
USB thermometer
USB IR datalink
USB IR datalink software
Guides
Duracell 9V alkaline Ultra vs. Plus battery test
Fake 2SK170GR!
Good DIY electronic websites
Good electronic shops
Pcb manufacturing
Raspberry Pi PIC programmer
Ideas
Kamstrup Multical 401
LED projector clock
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Project keywords
12au7
12ay7
12f1501
12f675
12f683
16f628
16f628a
16f84
16f877
18f1220
18f1320
18f252
18f2553
18f2620
18f452
18f4620
18f4685
24lc1025
24lc256
2sk170gr
3d print
6922eh
6c33
6c45
6cg7
6h30
6sn7
ams ccs811
arduino
audio
bme280
bmp805
buf634
class a
clock
dht22
district heating
ds1307
ds1621
ds18b20
ds18s20
ds3231
dtmf
ecc83
el84
elektor
gnt a f68
goldwave
gpo bt 21a
heat sink
hifi
ir
jlcpcb
kamstrup multical 401
led
lego
lf353
li ion battery
lm723
lr8n3
max038
mosfet
mrds192
opa134
opa627
pga2310
pga2311
photo pcb
pic programmer
raspberry pi
rdvv
remote
rs232
single ended
sipura spa 2102
srpp
tda1541a
tda1543
tda7330b
tda7439
test
tip162
tl431
tool
triode
tsa5511
usb
weather
18650
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