🛒 Items to Buy
| # |
Item |
Spec / Notes |
Est. Price |
| 1 |
Jumper wires |
Male-to-male + male-to-female assorted pack |
₹100 |
| 2 |
Breadboard |
830-point full size |
₹100 |
| 3 |
Soldering iron |
25W–40W pointed tip (Soldron brand if available) |
₹350 |
| 4 |
Solder wire |
60/40, thin gauge, rosin core — flux is inside, no separate flux needed |
₹60 |
| 5 |
Helping hands |
Third-hand tool with clips (optional but useful) |
₹120 |
💰 Total Estimate
|
|
| Subtotal |
₹730 |
| Buffer (bargaining goes your way) |
−₹50 to −₹100 |
| Expected out-of-pocket |
~₹630 – ₹680 |
🌐 Online Bill (Hubtronics)
| # |
Item |
Model |
Qty |
Unit Price |
Total |
| 1 |
0.96 Inch I2C 4-Pin OLED Display Module - Blue |
04598 |
1 |
₹155.00 |
₹155.00 |
| 2 |
INMP441 MEMS Omnidirectional Microphone Module I2S |
05507 |
1 |
₹177.00 |
₹177.00 |
| 3 |
ESP32-S3-WROOM1-N16R8 Dev Board - Unsoldered Header - CH9102 |
07688 |
1 |
₹614.00 |
₹614.00 |
|
Taxable amount |
|
|
|
₹801.69 |
|
IGST (18%) |
|
|
|
₹144.31 |
|
MH By Road (shipping) |
|
|
|
₹59.00 |
|
Total to Pay |
|
|
|
₹1,005.00 |
⚠️ Board arrives unsoldered — headers need to be soldered before breadboard use. Do this first when components arrive.
🧾 Combined Total
|
|
| Offline |
~Rs650 |
| Online (Hubtronics) |
₹1,005 |
| Phase 1 Total |
~₹1,655 |
Battery (LiPo + TP4056) and DS3231 RTC are both deferred — don't buy yet.